Izaak Walton League of America Launches Clean Boats Campaign to Combat Invasive Species (Apr 24, 2007)
The Weekly Online!

Clean Boats Campaign
Izaak Walton League of America.

FDA Approves First U.S. Vaccine for Humans Against the Avian Influenza Virus H5N1 (Apr 17, 2007)
DHHS. Food and Drug Administration.

National Environmental Education Week
Apr 15 - 22, 2007
Environmental Week seeks to enhance the educational impact of Earth Day (Apr 22, 2007) and create a full week of environmental education preparation, learning, and activities in K-12 classrooms, universities, nature centers, zoos, museums, and aquariums around the country. Invasive species events are an encouraged activity for this year's Environmental Education Week.

High-risk air routes for invasive species revealed (Apr 11, 2007)
NewScientist.com.

Tatem, Andrew J., and Simon I. Hay. 2007. Climatic similarity and biological exchange in the worldwide airline transportation network. Proceedings of the Royal Society B: Biological Sciences (published online).

Species Profile -- Quagga Mussel
USDA. NAL. National Invasive Species Information Center.
The Quagga mussel is a tiny freshwater mollusk and a close relative to the Zebra mussel which has plagued the Great Lakes for over a decade. Quagga mussels have now been resported at Lake Mead, Lake Mohave and Lake Havasu, along with various other parts of the southern Colorado river.

Seedlings of Change: Retailers Drop Invasive Species (Spring 2007)
Nature Conservancy Magazine.